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In search of the dimensions of an incandescent light bulb filament
(IOP Publishing Ltd, 2018)
The purpose of this paper is to present and discuss an alternative solution to an experimental problem given to high school students in the XXII Ibero-American Physics Olympiad held by Colombia this year. From the measurements ...
Determining the damping coefficient of a simple pendulum oscillating in air
(IOP Publishing Ltd, 2017)
A systematic method to measure the damping coefficient of a simple pendulum carrying out small oscillations using the resonance phenomena is considered. The method only requires a standard function generator, a simple ...
Building a propeller based-microcontroller timer system
(IOP Publishing Ltd, 2019)
In this work we construct a timer system consisting of both hardware and software to be used in introductory-level laboratory physics courses. The Parallax P8X32A propeller based-microcontroller hardware consist of a board ...
Building a high quality photogate
(IOP Publishing Ltd, 2019)
In this paper we present a method to construct a simple, sturdy and inexpensive photogate to be used in elementary physics laboratories. The great advantage of the proposed design is that it has no transmitter-receiver ...